Should Reference Alternatives in Pivot Design SC Surveys be Treated Differently?
Should Reference Alternatives in Pivot Design SC Surveys be Treated Differently?
复制标题
枢轴设计 SC 调查中的参考替代方案是否应该区别对待？
DOI：
10.1007/s10640-008-9244-6
复制
发表时间：
2009
影响因子：
5.9
通讯作者：
J. Rose
中科院分区：
文献类型：
--
作者：
S. Hess;J. Rose
分析师越来越多地利用枢轴式陈述选择 (SC) 数据来估计选择模型。这些数据集通常包含参考替代方案，其属性在同一受访者的重复复制中保持不变。本文提供的证据表明，受访者对这些参考替代品和纯粹假设替代品的属性的反应不同。虽然现有文献中已经报道了一些此类证据，但本文进一步详细介绍了与观察到的效用部分和误差项有关的两种替代方案的常见处理方式的一些不同背离。
Analysts are increasingly making use of pivot style Stated Choice (SC) data in the estimation of choice models. These datasets often contain a reference alternative whose attributes remain invariant across replications for the same respondent. This paper presents evidence to suggest that respondents react differently to the attributes of these reference alternatives and those of purely hypothetical alternatives. While some such evidence has been reported in the existing literature, this paper goes further and details a number of different departures from a common treatment of the two types of alternatives, relating both to the observed part of utility and the error term.